The aim of this paper is to describe and underline important aspects of sex education in the Swedish school in an age where this northern European country has a state school, private and free of religious denominations, where the subject or the theme about sexual education has over 50 years of compulsory education. In a globalized world where the media comes to the end of the world, the film remains an important tool in teaching and content on the topic of sex education to individuals continue to alter, in a century where the science, knowledge and illiteracy in Europe is almost gone. But, equally, knowledge about sexuality in men as in women causes, puzzles and even creates a retrograde attitude no basis in science. The film that caused this controversy is titled "Sex on the map" and where in 30 minutes is the topic of sex education and coexistence. A material for use in biology classes. And we will see the practical use of the film in a school where most students are immigrants, courses in eighth.